2-((1,5,10,10a-Tetrahydro-3H-thiazolo(3,4b)isoquinolin-3-ylidene)amino)-4-thiazole acetic acid 4-Thiazoleacetic acid, 2-((1,5,10,10a-tetrahydro-3H-thiazolo(3,4-b)isoquinolin-3-ylidene)amino)-, (S)- 44081 RP 80066-81-5 RP 44081 RP-44081